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require 'java'
module UNF
class Normalizer
def initialize()
@normalizer = java.text.Normalizer
end
def normalize(string, normalization_form)
@normalizer.normalize(string, form(normalization_form))
end
private
def form(symbol)
case symbol
when :nfc
@normalizer::Form::NFC
when :nfd
@normalizer::Form::NFD
when :nfkc
@normalizer::Form::NFKC
when :nfkd
@normalizer::Form::NFKD
else
raise ArgumentError, "unknown normalization form: #{symbol.inspect}"
end
end
end
end
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